HV Test Services: Switchgear Testing ,Vacuum Bottle
Vacuum bottles require very short operating strokes to extinguish the arc and no contact maintenance is possible.
The bottle should rather be replaced if faulty but in general last the life time of the switchgear. Vacuum bottles are being used in indoor, outdoor and in auto-reclosers.
It is a good practice to AC overvoltage pressure test the vacuum bottle across its open contacts. Remember to short all three phases on both sides and earth the one side and apply the H.V. lead on the other side.
For more information please send your request to marketing@hvtest.co.za